A gladhand assembly having a conduit for carrying a fluid and a port having a sidewall defining an interior region. The port also having a first opening in communication with an external environment and a second opening in communication with the conduit. The port includes a first recess in the interior region and disposed in the sidewall. There is a filter member including a sidewall and a first opening including a rim. The rim extends outwardly from the sidewall in a radial direction and is seated on the first recess in the sidewall of the port. There is a seal member configured to engage with and close the first opening in the port and the seal member includes a film having a first surface facing the external environment and a second surface facing the interior region of the port. The film includes a re-closable aperture.